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Livermore
Livermore
ZHEN

Madden Securities Corp

SEC CIK
0001803566
Latest filing
Jul 24, 2026

COST holding history

Costco Wholesale Corp in every 13F filed by Madden Securities Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

COST overviewAll 13F holders of COSTFull Q2 2026 holdings

Shares (Q2 2026)
610
Value
$570.6K
% of portfolio
0.2%
Quarters held
18
Since Q1 2022
Holdings of COST by Madden Securities Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026610$570.6K0.2%00.0%UnchangedHolders
Q1 2026610$607.8K0.2%00.0%UnchangedHolders
Q4 2025610$526.0K0.2%+293+92.4%AddedHolders
Q3 2025317$293.4K0.1%00.0%UnchangedHolders
Q2 2025317$313.8K0.1%00.0%UnchangedHolders
Q1 2025317$299.8K0.1%00.0%UnchangedHolders
Q4 2024317$290.5K0.1%00.0%UnchangedHolders
Q3 2024317$281.0K0.1%−159−33.4%ReducedHolders
Q2 2024476$404.5K0.2%+22+4.8%AddedHolders
Q1 2024454$332.4K0.2%−49−9.7%ReducedHolders
Q4 2023503$332.3K0.2%00.0%UnchangedHolders
Q3 2023503$284.3K0.2%00.0%UnchangedHolders
Q2 2023503$270.7K0.1%00.0%UnchangedHolders
Q1 2023503$249.7K0.1%+1+0.2%AddedHolders
Q4 2022502$229.3K0.1%00.0%UnchangedHolders
Q3 2022502$237.0K0.1%+50+11.1%AddedHolders
Q2 2022452$217.0K0.1%+78+20.9%AddedHolders
Q1 2022374$215.0K0.1%+374NewHolders